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Bug #76572 natsort dash order error
Submitted: 2018-07-03 11:27 UTC Modified: 2018-07-03 11:42 UTC
From: volodymyrbas at gmail dot com Assigned: cmb (profile)
Status: Not a bug Package: Arrays related
PHP Version: 7.2.7 OS: Ubuntu 16.04
Private report: No CVE-ID: None
 [2018-07-03 11:27 UTC] volodymyrbas at gmail dot com
nutsort function does not order strings with dash charater in proper order.

Test script:

$arr = [
  'Saint Prex',
  'Saint Genis Pouilly',



Expected result:
    [0] => Saint Genis Pouilly
    [2] => Saint Prex
    [1] => Saint-Prex

Actual result:
    [0] => Saint-Prex
    [2] => Saint Genis Pouilly
    [1] => Saint Prex


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 [2018-07-03 11:42 UTC]
-Summary: nutsort dash order error +Summary: natsort dash order error -Status: Open +Status: Not a bug -Assigned To: +Assigned To: cmb
 [2018-07-03 11:42 UTC]
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at and the instructions on how to report
a bug at

natcasesort() is about alphanumeric strings; hyphens and underscores,
for instance, are not alphanumeric characters, though.  Use usort()
with an appropriate user defined comparison function, if you need it.
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